Machine



4 SheetsSheet 2.

(No Model.)

W. H. CLARK.

ADDING MACHINE.

Patented Mar. 20, 1894.

(No Model.) 4 Sheets-Sheet 4.

W. H. CLARK.

ADDING MAGHINE.

Patented Mar. 20, 1894.

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WILI- EEEEE .A ffigM/kom UNTTED STATES PATENT OFFICE.

WILLIAM H. CLARK, OF ERIE, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO BENJAMIN B. BROWN, OF SAME PLACE.

ADDING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 516,985, dated March 20, 1894.

Application filed May 27, 1893.

To aZZ whom it may concern.-

Be it known that I, WILLIAM H. CLARK, a

citizen of the United States,'residing at the city of Erie, in the county of Erie and State of Pennsylvania, have invented certain new and useful Improvements in Adding-Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being'had to the accompanying drawings, and to the letters and figures of reference marked thereon, forming part of this specification. My invention consists in the improvements 1n adding machines hereinafter set forth and explained, and illustrated in the accompanying drawings, in which-- Figure 1. is a top or plan view of my improved adding machine. Fig. 2. is a transverse section of the same on the line 2-2 in Fig. 1, looking in the direction of the arrow. Fig. 3-. is a detail View in elevation of the last key lever and the ratchet lever mechanism at the left hand side of the machine. Fig. 4. is a longitudinal section of the machine on the line 4-4, in Fig. 2,1ooking in the direction of the arrow. Fig. 5. is a longitudinal section of the same on the line 5, 5, in Fig. 2, lookmg in the direction of the arrow. Fig. 6. is a sectional detail on the line 6-6, in Fig. 2, looking in the direction of the arrow. Fig. 7. is a sectional detail on the line 7, in Fig. 1, looking in the direction of the arrow. Fig. 8. is a top or plan view of a section of the top of the machine. Fig. 9. is a detail view of a section of the same. Fig. 10. is a plan view of one of the ball carriers. Fig. 11. is an end view of the same, together with a section of one of the grooves and levers. Fig. 12. is a side elevation of one of the carriers and levers, showing also the position of the balls when the groove is full.

In the accompanying drawings illustrating the construction of my improved adding machine, the sides A A and longitudinal portion B constitute the frame of the machine.

In the sides A A of the frame, I mount a rod B on which key levers a, a b, b o, o d, d e, e f, f and g representing diiferent values Serial No. 475,801. (No model.)

are pivoted; the levers a, a b and b representing units of cents; the levers o, c d, d and 6 representing multiples of fives of cents; and the lovers ef,f and 9 representing units of dollars.

The portion B of the frame of the machine consists of sections D and D, joined together at the front edges thereof at such an angle that the upper section D inclines upward to- I ward the rear of the machine, and the lower 6o section D inclines downward toward the rear of the machine, as illustrated in Fig. 2. In the lower section D I make passages 1, 2, 3,

4. and 5 corresponding respectively to the key levers a, a b, b and c,- passages 6 and 7 corresponding to the key lever c; a passage 8 corresponding to the key lever d; passages 9 and 10 corresponding to the key lever 61; passages 11 and 12 corresponding to the key lever e; and passages 13,14,15 and 16 cor- 7o responding respectively to the key levers e f, f and g; the size and inclination of these passages being such, that balls placed therein will traverse the same, one behind the other, freely toward the rear of the machine, as illustrated in Fig. 2. The passages 1 to 8 inclusive preferably connect with, and receive their supply of balls from a diagonal passage 17-18, Fig. 4 and the passages 9 to 15 inclusive connect with, and are supplied with balls from a diagonal passage 19, which connects with the passage 16, which passage also connects with the passage 18, which passage 18 then curves to the right and is continued in a passage 20 which connects with, and receives balls from the inclined hopper or trough E at the front edge of the section D of the portion B of the frame, as illustrated in Figs. 2 and 4E. The rear ends of the sections D and D of the portion B of the frame, are joined together by means of a plate E, which plate is a segment of a circle on a radius, the center of which is the center of the rod B upon which the key levers a, a b, &c., are mounted. The upper part of the segmental plate E projects some distance above the point where it is joined to the plate D, and

is provided with openings F, F G, G and H, and with open slots H and I. The opening F communicates by means of an inclined pas- I oo sage J see Figs. 5 and 2 with an inclined groove or passage J in the upper part of the inclined plate D; the passages F G and G communicate by means of an inclined passage K (see Figs. 5,2,and l) with an inclined groove or passage K in the upper part of the inclined plate D, and the passage II communicates by means of an inclined passage L with an inclined groove or passage L in the upper part of theinclined plate D. The open slots H and I also communicate, by means of bridges M, which communicate with a diagonal passage M, (bridging and extending over the inclined passages J and K,) with the passage J and the inclined grogve or passage J; the balls passing along the diagonal inclined passage M until an opening at therein is reached, where the balls pass down through said opening into the inclined passage .I, and thence into the inclined groove or passage J.

The rear arms N of the key levers a, a l), &c., extend from the rod B, on which they are mounted, downward toward the rear of the frame, at an angle of say about thirty degrees, and rest normally upon a rod N extending across the machine frame. Upon the rear ends of these key levers are upwardly projecting arms 0 in the shape of a segment of a circle, of an are equal to that of the rear face of the segmental plate E, and are adapted to pass upward in close proximity thereto when the rear portions N of the key levers are raised; and extending from the rear of said segmental arms 0, so as to be directly in line with the passages 1, 2, 3, &e.,in the plate D are projections 1 2 3 4- 5 6 7 8 9 1O 11 12 and 13, one of these being upon each arm 0, and in the projection 1 I make an extension of the passage 1 sufiiciently deep to receive one ball from the passage 1; in the projection 2' sufficiently deep to receive two balls from the passage 2; in the projection 3' sufficiently deep to receive three balls from the passage 3; in the projection 4c sulfieiently deep to receive five balls from the passage 1; in the projection 5 sufficiently deep to receive one ball from the passage 5; in the projection 6 I make an extension of the passage 6 sufliciently deep to receive five balls, and of the passage '7 sufficiently deep to receive one ball; in the projection 7 I make an extension of the passage 8 sufficiently deep to receive two balls from the passage 8; in the projection 8' I make an extension of the passage 9 sufficiently deep to receive two balls from the passage 9, and of the passage 10 sufficiently deep to receive five balls from the passage 10; in the projection 9 I make an extension of the passage 11 suilieiently'deep to receive five balls from the passage 11; and of the passage 12 sufliciently deep to receive seven balls from the passage 12; in the projection 10 I make an extension of the passage 13 sulficiently deep to receive one ball from the passage 13; in the projection 11 sufficiently deep to receive two balls from the passage 14; in the projection 12' sufficiently deep to receive three balls from the passage 15, and in the projection 13' sufficiently deep to receive five balls from the passage 16, as and for the purpose hereinafter set forth.

Directly below each of the projections 1 2, &c., on the arms 0 of the key levers, is another projection O which reaches somewhat beyond the rear ends of the projections 1'2, the, between projections O and the projections 1 2,&c., are slots P, as and for the purpose hereinafter set forth.

On studs 24: in each of the side frames A and A I pivot levers 25 and 26, and between the free ends of these levers, I secure a rod 27, which rests upon the outer ends 0 of the projections O, in front of the open ends of the slots P, and is common to all of the keylevers when they are down in their normal positions. Extending upward from the extreme ends ofall of the projections 1 2, &c., above the slots P to the upper ends of the arms 0, are barsp made in the shape of a segment of a circle, the radius of which extends from the centers of the stud pins 24, so that the rod 27 when raised, will pass up over the outsides of the bars 19, when the key 1evers are down; the rod 27 passing into the slot P of the key lever or levers being raised and passing up over the curved barsp of all of the remaining key levers and locking them down, until the rod 27 is returned to its normal position, as illustrated in Fig. 3.

On the left hand side of the machine, on a stud 28, I pivot a curved rack 29, and in the lever 26 I place a stud pin 30 adapted to travel upward overtheteeth of said rack,but engage said teeth it moved in the opposite direction while in contact therewith. To a cross piece 31 on said rack, I pivot a spring actuated arm 32, which, when the stud pin 30 reaches the top of its traverse, allows the stud pin 30 to pass it, and presents its rear edge thereto, so that the stud pin is forced to travel downward behind the arm 32, which swings the rack toward the rear of the machine, until the stud pin 30 has passed down below the lower end of the arm 32, when the rack again swings forward by gravity to its normal position; by means of this device when a key lever is once started upward, its traverse must be completed before it can again be returned to its normal position.

In the plate D, I cut curved slots 33, 3 1, 35 and 36; these slots crossing the grooves or passages J K and L, and the groove or passage 37, at such a point in said grooves or passages that nine balls will fill each of said grooves or passages from the bottoms thereof up to the said slots, and the tenth ball in each of said grooves or passages would be exactly over the slot crossing such grooves or passages as illustrated in Figs. 1, 8, and 12, and in each of said slots I place a curved carrier 39 which swings in such slot on an arm 40 pivoted on a stud 4:1 in the under side of the plate D. To studs 42 in the arms I pivot a transverse bar 43, which, when moved longitudinally, moves all of the carriers 39 in the curved slots 33, 34,35 and 36; on the lever 25, at the right hand sideof the machine frame, I secure a cam surface 44 adapted to contact with the end of the bar 43, so that each time the lever 25 is raised, the bar 43 is moved to the left, moving all of the carriers 39 from their normal positions at the right hand ends of the slots 33, 34, &c., to the left hand ends of said slots, the bar 43 and the carriers 39 being returned to their normal positions when the lever 25 moves downward, by means of a retracting spring 45; a knob 46 is also provided in the end of the bar 43, by means whereof it can be moved by hand when desired. The carriers 39 are of such length, that when in their normal positions at the right hand ends of the slots 33, 34, &c., the left hand ends thereof extend across the grooves or passages J K L and 37, and in each of said carriers 39 there is a transverse groove 47 of the same width as the grooves or passages J K, &c., and coincidingwith said grooves or passages when the carriers 39 are in their normal positions, so that balls will pass down through said grooves 47 freely, until the grooves or passages J K, &c., contain nine balls, when the tenth ball will rest in the groove 47 in the carrier 39. From the upper and left hand ends of each of the slots 33, 34, &c., I make in the plate D diagonal grooves or passages 48, 49, 50, and 51, which grooves or passages 48, 49, and 50 enter the grooves or passages K L and 37 just above the curved slots 34, 35, and 36, while the groove or pas sage 51 curves directly into and forms part of the groove or passage 38.

Pivoted to the top edge of the segmental plate E are levers 52, 53, 54, 55, and 56; these levers extending forward and downward over the plate D parallel with and close to the left hand sides of the grooves or passages J K L, 37, and 38, and on the extreme lower ends of these levers are laterally and downwardly projecting shoes 57 which operate to close the lower ends of said grooves or passages. These levers are also provided with figures; the lever 52 from 1 to 9 indicating cents; the lever 53 from 10 to 90indicating tens of cents; the lever 54 from 1 to 9 indicating dollars; the lever 55 from 10 to 90 indicating tens of dollars, and the lever 56 from 100 to 600 also indicating hundreds of dollars. On the underside of each of the levers 52, 53, 54, and 55 directly over the curved slots 33,34, 35, and 36 is secured a cam shaped projection 58 under which the carriers 39 will pass freely when there are no balls being carried in the slots 47 therein, but when there is a ballin any one of said slots as it is being carried under the lever it projecting for nearly half of its diameter above the upper face of the carrier, (as illustrated in Fig, 12,) contacts with said cam shaped surface 58 and raises the lever far enough to raise the shoe 57 on such lever above the lower end of the groove or passage closed thereby, and permits all of the balls therein below the carrier to be discharged into the trough E.

The plate D is provided with a thin plate or cover, preferably of glass or mica, 59, which closes the tops of all of the grooves or passages in the plate D, through which cover, slots 60 are cut, through which the cam shaped projections 58 on the levers 52, 53, &c., extend.

In operation the operator presses a key lever, for example 1) indicating five cents; this operates to raise the projection 4 thereon with the five balls therein up until the balls pass out of the opening F in the segmental plate E, from whence they pass by Way of the passage J down into the passage J, and when the key lever is released,it returns to its normal position; now, supposing the operator again operates said keyleverb he again raises five balls which pass down into the passage J so that there is now ten balls therein,the last, or the tenth resting in the notch 47 of the carrier 39; now, for example the key lever c' indicating fifteen cents is depressed; in this operation, the carrier moves the tenth ball in the groove or passage J to the left and raising the lever 52 during its passage, as hereinbefore described, it discharges the remaining nine balls from the passage J and carries said tenth ball into the passage 48, from whence it passes down into the groove or passage K; meanwhile the key lever c having been raised 1t discharges one ball into the opening G inthe plate E from whence it passes down through the passage K into the groove or passage K, and five balls through the opening I in said plate E, from which they pass over the bridged passage M and down through the opening on to the passage J and thence to the groove or passage J.

It is believed thatthe foregoing, sufficiently illustrates the operation of the machine so that further description is deemed unnecessar T herefore, having thus fully described my invention, so as to enable others to construct and operate the same, what I claim as new, and desire to secure by Letters Patent of the United States, is-

1. The combination in an adding machine, of key-levers of different values, grooves or passages into which balls are placed by the operation of said key-levers, and key-lever actuated mechanism adapted to carry every tenth ball from one of said grooves or passages to another, substantially as and for the purpose set forth.

2. The combination in an adding machine, of grooves or passages adapted to receive balls, key-levers of different values, each adapted, when operated, to move a number of balls, corresponding to the value indicated by the key-lever so operated, from a receptacle for such balls into said grooves or passages, and

key-lever actuated mechanism adapted to move every tenth ball from each of said grooves or passages to others of said grooves or passages; substantially as and for the purpose set forth.

3. The combination in an adding machine, of grooves or passages adapted to receive and retain ten or more balls, key-levers of different values, each adapted, when operated, to move a number of balls, corresponding to the value indicated by the key-lever so operated, from a receptacle for such balls into passages leading to said first named grooves or passages, mechanism actuated by said key-levers adapted to move every tenth ball from each of said first named grooves or passages to others of said grooves or passages, and lever mechanism for discharging the remaining nine balls from said grooves or passages; substantially as and for the purpose set forth.

4:. The combination in an adding machine, of grooves or passages for balls as J K &c.,

passages as J K &c., to said grooves or passages J K 850., key-levers of different values adapted to deliver balls representing units from 1 to 9 to the groove or passage J, and balls representing tens from 10 to 90, to the groove or passage K, curved slots as 33, 34 &c., crossing said grooves or passages as J K &c., passages 48, L9 &c., from said slots 33 84 &c., to said grooves or passages K L the. and key-lever actuated carriers operating in said slots and carrying every tenth ball from the grooves or passages J K &c., to the passages 48, 49 &c., from whence they pass down into the grooves or passages K L 850.; substantially as and for the purpose set forth.

In testimony whereof I affix my signature in presence of two witnesses.

WILLIAM H. CLARK.

Wi t-n esses:

II. Nno, II. J. CURTZE. 

